获取当前时间的混入方法

import dayjs from 'dayjs';

export default {
  data() {
    return {
      // 当前日期
      date: this.getDay(this.dateFormat),
      dateFormat: '',
      // 当前时间
      time: this.getTime(this.timeFormat),
      timeFormat: '',
      // 当前星期
      week: this.getWeek(),
    };
  },
  mounted() {
    window.setInterval(() => {
      this.date = this.getDay(this.dateFormat);
      this.week = this.getWeek();
      this.time = this.getTime(this.timeFormat);
    }, 1000);
  },
  methods: {
    getDay(format) {
      this.dateFormat = format || 'YYYY-MM-DD';
      return dayjs().format(this.dateFormat);
    },
    getTime(format) {
      this.timeFormat = format || 'HH:mm:ss';
      return dayjs().format(this.timeFormat);
    },
    getWeek() {
      const obj = {
        0: '星期日',
        1: '星期一',
        2: '星期二',
        3: '星期三',
        4: '星期四',
        5: '星期五',
        6: '星期六'
      }
      return obj[dayjs().day()];
    },
  }
}